Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 12 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/17/2022   22:35:01   (  -0.02,-137.33) (  -0.06,-137.53)   23.07                80
 12/18/2022   22:18:57   (  -0.02,-137.33) (   0.95,-133.01)  492.79                80
 12/20/2022   10:40:47   (   0.02,-137.32) (   0.25,-138.27)  108.77                80
 12/21/2022   10:19:23   (   0.02,-137.32) (  -0.75,-133.74)  406.38                80
 12/22/2022   22:41:22   (  -0.02,-137.29) (  -0.44,-139.05)  200.76                80
 12/23/2022   22:25:18   (  -0.02,-137.28) (   0.57,-134.52)  313.80                80
 12/25/2022   10:47:08   (   0.02,-137.26) (   0.56,-139.80)  289.50                80
 12/26/2022   10:25:45   (   0.01,-137.24) (  -0.45,-135.28)  224.55                80
 12/27/2022   22:50:23   (  -0.00,-137.21) (  -0.73,-140.58)  383.70                80
 12/28/2022   22:29:00   (   0.00,-137.19) (   0.28,-136.06)  130.44                80
 12/30/2022   10:53:29   (  -0.00,-137.17) (   0.90,-141.33)  472.92                80